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C18100 Copper vs. S41003 Stainless Steel

C18100 copper belongs to the copper alloys classification, while S41003 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C18100 copper and the bottom bar is S41003 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 8.3
21
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 47
76
Shear Strength, MPa 300
320
Tensile Strength: Ultimate (UTS), MPa 510
520
Tensile Strength: Yield (Proof), MPa 460
310

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Maximum Temperature: Mechanical, °C 200
720
Melting Completion (Liquidus), °C 1080
1440
Melting Onset (Solidus), °C 1020
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 320
27
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 80
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 81
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.9
Embodied Energy, MJ/kg 43
27
Embodied Water, L/kg 310
97

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40
92
Resilience: Unit (Modulus of Resilience), kJ/m3 900
240
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16
19
Strength to Weight: Bending, points 16
18
Thermal Diffusivity, mm2/s 94
7.2
Thermal Shock Resistance, points 18
19

Alloy Composition

Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0.4 to 1.2
10.5 to 12.5
Copper (Cu), % 98.7 to 99.49
0
Iron (Fe), % 0
83.4 to 89.5
Magnesium (Mg), % 0.030 to 0.060
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
0 to 1.5
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zirconium (Zr), % 0.080 to 0.2
0
Residuals, % 0 to 0.5
0